Your copper peptide product should be this exact blue. If it isn't, you already have your answer. GHK Cu is blue because of coordination chemistry, not dye. The Cu ion at the center Neurogan Health Copper Peptide GHK CU , 120 mcg, 60 Tablets, 0.52 oz (15 g) eBay Neurogan GHK Cu Copper Peptide Face Cream 4% Peptides for Skin Firmness & Deep Hydration Daily Facial Moisturizer with 2400 MG GHK Cu, 2oz Walmart.ca Copper Peptide Body Wash Anti Aging, Skin Firming & Hydration Pept Peptide Labz Young Goose Blue Peptide Spray Did you know if youre using GHK Cu injections, you should have baseline labs first? Copper, zinc, CMP because too much of anything, even something good can cause real issues. , This is what people